You can get some 360 degree rotating pegs from LP, but from what I've heard they are not great in general, and especially on the zx-6r. I almost got some but I went for soem aftermarket Competition Werks pegs instead. But I was wanting replacements for different reasons than you.
Tricktape sells 'em
http://www.tricktape.com/product.asp?0=378&1=380&3=914
Tricktape sells 'em
http://www.tricktape.com/product.asp?0=378&1=380&3=914
